【英文标准名称】:DropPassives:Splitters,CouplersandPowerInserters
【原文标准名称】:无源电压降:分流片、耦合器和功率插入器
【标准号】:ANSI/SCTE153-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆通信;耦合器;高频;无源的;功率;射频;射频连接;射频连接器;射频电路
【英文主题词】:Cablecommunication;Couplers;Highfrequencies;Passive;Power;Radiofrequencies;Radiofrequencyconnections;Radiofrequencyconnectors;RFcircuits
【摘要】:Thepurposeofthisdocumentistorecommendmechanical,environmentalandelectricalstandardsforbroadbandradiofrequency(RF)deviceswhoseprimarypurposeistodividesignalspresentedtoaninputportamongtwoormoreoutputportswithafixeddivisionratiothatisnominallyindependentoffrequencywithinthespecifiedbandwidthlimitsofthedevice.Alternately,suchdevicescanbeusedtocombinesignalsfromseveralinputportsintoacommonoutputport.Itsscopeislimitedto75-ohmdeviceswhoseportsareprovidedwithtypeFconnectors.Themostcommonuseforsuchdevicesison-premisesRFsignaldistribution.Productscoveredbythisspecificationincludesignalsplitters(2,3,4and8-way),directionalcouplers,combinedsplitter/directionalcouplersandpowerinserters.Twolevelsofcompliancearespecified.Devicesmeetingallelectrical,mechanicalandenvironmentalspecificationsmaybespecifiedasmeetingtherequirementsofthisspecificationwithoutqualification.Thosemeetingelectricalandmechanical,butnotenvironmentalrequirementsmaybedesignatedasmeetingthisspecificationwiththesuffix"IndoorUseOnly"andtheproductsmustbemarkedasspecifiedhereintoguideusersintheirappropriateapplication.Thespecificationisnotintendedtoapplytospecialtydevices,norisitintendedtolimitorrestrictanymanufacturer'sinnovationandimprovement.
【中国标准分类号】:L23
【国际标准分类号】:33_120_30
【页数】:
【正文语种】:英语


【英文标准名称】:RollingBearings;TaperedRollerBearings
【原文标准名称】:滚动轴承.锥形滚柱轴承
【标准号】:DIN720-1979
【标准状态】:作废
【国别】:德国
【发布日期】:1979-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:砝码;尺寸;滚柱轴承;滚动轴承;锥形滚柱轴承
【英文主题词】:Dimensions;Rollerbearings;Rollingbearings;Tapered-rollerbearings;Weights
【摘要】:Rollingbearings;TaperedrollerbearingsZusammenhangmitdenvonderInternationalOrganizationforStandardization(ISO)herausgegebeneninternationalenNormen
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:7P.;A4
【正文语种】:德语